/* ===================================
   xtroi.studio - Premium Portfolio
   Color Scheme: Black, Blue, Gold
   =================================== */

/* CSS Variables */
:root {
    --color-black: #0a0a0a;
    --color-black-light: #121212;
    --color-black-lighter: #1a1a1a;
    --color-blue: #1e3a8a;
    --color-blue-light: #3b82f6;
    --color-blue-dark: #1e40af;
    --color-gold: #d4af37;
    --color-gold-light: #f4d03f;
    --color-gold-dark: #b8941f;
    --color-white: #ffffff;
    --color-gray: #9ca3af;
    --color-gray-light: #d1d5db;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    --transition: all 0.3s ease;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    --shadow-gold: 0 5px 20px rgba(212, 175, 55, 0.3);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-black);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Utility Classes */
.highlight {
    color: var(--color-gold);
    position: relative;
}

.text-center {
    text-align: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 500;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 15px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-blue), var(--color-blue-light));
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(30, 58, 138, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(30, 58, 138, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-gold);
}

.btn-secondary:hover {
    background: var(--color-gold);
    color: var(--color-black);
    transform: translateY(-2px);
}

.btn-gold {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
    color: var(--color-black);
    font-weight: 600;
    box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--color-gold);
    border-color: var(--color-gold);
}

.btn-outline:hover {
    background: var(--color-gold);
    color: var(--color-black);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
}

.logo-text {
    color: var(--color-white);
}

.logo-dot {
    color: var(--color-gold);
}

.logo-studio {
    color: var(--color-blue-light);
}

.nav-menu {
    display: flex;
    gap: 40px;
}

.nav-link {
    color: var(--color-gray-light);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-gold);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--color-white);
}

.nav-link:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(30, 58, 138, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(212, 175, 55, 0.1) 0%, transparent 50%);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 50px;
    color: var(--color-gold);
    font-size: 14px;
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-size: clamp(40px, 8vw, 72px);
    margin-bottom: 25px;
    line-height: 1.1;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--color-gray);
    margin-bottom: 40px;
    max-width: 600px;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-cta {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-stats {
    display: flex;
    gap: 50px;
    animation: fadeInUp 0.8s ease 0.8s both;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 700;
    color: var(--color-gold);
}

.stat-label {
    font-size: 14px;
    color: var(--color-gray);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--color-gray);
    font-size: 12px;
    animation: bounce 2s infinite;
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid var(--color-gray);
    border-radius: 15px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--color-gold);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(30, 58, 138, 0.2);
    color: var(--color-blue-light);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 20px;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    margin-bottom: 15px;
}

.section-desc {
    color: var(--color-gray);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services {
    padding: 100px 0;
    background: var(--color-black-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--color-black-lighter);
    padding: 40px 30px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-blue), var(--color-gold));
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(212, 175, 55, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.service-card.featured {
    border-color: var(--color-gold);
    background: linear-gradient(135deg, var(--color-black-lighter), rgba(212, 175, 55, 0.05));
}

.service-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--color-gold);
    color: var(--color-black);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-blue), var(--color-blue-dark));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--color-white);
    margin-bottom: 25px;
    position: relative;
}

.service-card.featured .service-icon {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    color: var(--color-black);
}

.service-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.service-card > p {
    color: var(--color-gray);
    margin-bottom: 25px;
    line-height: 1.7;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-gray-light);
    font-size: 15px;
}

.service-list i {
    color: var(--color-gold);
    font-size: 12px;
}

/* Portfolio Section */
.portfolio {
    padding: 100px 0;
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-gray);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-body);
    font-size: 14px;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-gold);
    color: var(--color-black);
    border-color: var(--color-gold);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.portfolio-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    aspect-ratio: 3/2;
    cursor: pointer;
}

.portfolio-image {
    width: 100%;
    height: 100%;
    position: relative;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 10, 10, 0.95), rgba(30, 58, 138, 0.8));
    display: flex;
    align-items: flex-end;
    padding: 30px;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-content h3 {
    font-size: 24px;
    margin-bottom: 5px;
    color: var(--color-white);
}

.portfolio-content p {
    color: var(--color-gold);
    font-size: 14px;
    margin-bottom: 15px;
}

.portfolio-link {
    width: 50px;
    height: 50px;
    background: var(--color-gold);
    color: var(--color-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.portfolio-link:hover {
    transform: scale(1.1);
    background: var(--color-white);
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--color-black-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.image-frame {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.image-frame::before {
    content: '';
    position: absolute;
    inset: -20px;
    border: 2px solid var(--color-gold);
    border-radius: 30px;
    z-index: -1;
    opacity: 0.5;
}

.image-frame img {
    width: 100%;
    height: auto;
}

.experience-badge {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    color: var(--color-black);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-gold);
}

.exp-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 700;
    line-height: 1;
}

.exp-text {
    font-size: 14px;
    font-weight: 500;
    line-height: 1.3;
}

.floating-card {
    position: absolute;
    top: 40px;
    left: -30px;
    background: var(--color-black);
    padding: 20px 25px;
    border-radius: 15px;
    border: 1px solid rgba(212, 175, 55, 0.3);
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: var(--shadow);
    animation: float 3s ease-in-out infinite;
}

.floating-card i {
    font-size: 24px;
    color: var(--color-gold);
}

.fc-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-white);
}

.fc-text {
    font-size: 12px;
    color: var(--color-gray);
}

.about-content .section-tag {
    margin-bottom: 20px;
}

.about-content .section-title {
    margin-bottom: 25px;
}

.about-text {
    color: var(--color-gray);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-features {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.feature-item {
    display: flex;
    gap: 20px;
}

.feature-item i {
    width: 50px;
    height: 50px;
    background: rgba(30, 58, 138, 0.2);
    color: var(--color-blue-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.feature-item h4 {
    font-family: var(--font-body);
    font-size: 18px;
    margin-bottom: 5px;
}

.feature-item p {
    color: var(--color-gray);
    font-size: 14px;
}

/* Process Section */
.process {
    padding: 100px 0;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.process-card {
    background: var(--color-black-light);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.process-card:hover {
    transform: translateY(-5px);
    border-color: rgba(212, 175, 55, 0.3);
}

.process-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 700;
    color: rgba(212, 175, 55, 0.1);
    line-height: 1;
}

.process-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-blue), var(--color-blue-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--color-white);
    margin: 0 auto 25px;
    position: relative;
}

.process-card:nth-child(even) .process-icon {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    color: var(--color-black);
}

.process-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.process-card p {
    color: var(--color-gray);
    font-size: 15px;
    line-height: 1.7;
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background: var(--color-black-light);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--color-black-lighter);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    border-color: rgba(212, 175, 55, 0.2);
}

.testimonial-rating {
    color: var(--color-gold);
    margin-bottom: 20px;
    font-size: 14px;
}

.testimonial-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-gray-light);
    margin-bottom: 30px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-gold);
}

.testimonial-author h4 {
    font-family: var(--font-body);
    font-size: 16px;
    margin-bottom: 3px;
}

.testimonial-author span {
    font-size: 14px;
    color: var(--color-gray);
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: 
        linear-gradient(135deg, rgba(30, 58, 138, 0.9), rgba(10, 10, 10, 0.95)),
        url('https://images.unsplash.com/photo-1557683316-973673baf926?w=1920&h=600&fit=crop');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    text-align: center;
}

.cta-content h2 {
    font-size: clamp(32px, 5vw, 48px);
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 18px;
    color: var(--color-gray-light);
    margin-bottom: 40px;
}

/* Contact Section */
.contact {
    padding: 100px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: var(--color-black-light);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.contact-card:hover {
    border-color: rgba(212, 175, 55, 0.3);
    transform: translateX(10px);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--color-black);
    flex-shrink: 0;
}

.contact-details h4 {
    font-family: var(--font-body);
    font-size: 18px;
    margin-bottom: 5px;
}

.contact-details p {
    color: var(--color-gray);
    font-size: 15px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--color-black-light);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--color-gray);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--color-gold);
    color: var(--color-black);
    border-color: var(--color-gold);
    transform: translateY(-3px);
}

.contact-form-wrapper {
    background: var(--color-black-light);
    padding: 50px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.form-group {
    margin-bottom: 25px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    background: var(--color-black-lighter);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 15px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    background: var(--color-black);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239ca3af' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 20px center;
}

.form-group select option {
    background: var(--color-black-lighter);
    color: var(--color-white);
}

/* Footer */
.footer {
    background: var(--color-black-light);
    padding: 80px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 20px;
}

.footer-brand p {
    color: var(--color-gray);
    line-height: 1.8;
    font-size: 15px;
}

.footer-links h4 {
    font-family: var(--font-body);
    font-size: 18px;
    margin-bottom: 25px;
    color: var(--color-white);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--color-gray);
    transition: var(--transition);
    font-size: 15px;
}

.footer-links a:hover {
    color: var(--color-gold);
    padding-left: 5px;
}

.footer-newsletter h4 {
    font-family: var(--font-body);
    font-size: 18px;
    margin-bottom: 15px;
}

.footer-newsletter p {
    color: var(--color-gray);
    font-size: 15px;
    margin-bottom: 20px;
}

.newsletter-form {
    display: flex;
    gap: 10px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 20px;
    background: var(--color-black-lighter);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    color: var(--color-white);
    font-family: var(--font-body);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--color-gold);
}

.newsletter-form button {
    width: 45px;
    height: 45px;
    background: var(--color-gold);
    border: none;
    border-radius: 50%;
    color: var(--color-black);
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    transform: scale(1.1);
    background: var(--color-gold-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
    color: var(--color-gray);
    font-size: 14px;
}

.footer-legal {
    display: flex;
    gap: 30px;
}

.footer-legal a {
    color: var(--color-gray);
    font-size: 14px;
    transition: var(--transition);
}

.footer-legal a:hover {
    color: var(--color-gold);
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--color-gold);
    color: var(--color-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-gold);
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    background: var(--color-gold-light);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes scroll {
    0% {
        opacity: 1;
        top: 8px;
    }
    100% {
        opacity: 0;
        top: 20px;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .experience-badge {
        right: 20px;
        bottom: -20px;
        padding: 20px;
    }
    
    .floating-card {
        left: 20px;
        top: 20px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--color-black);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        padding: 40px 0;
        gap: 30px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .contact-form-wrapper {
        padding: 30px;
    }
    
    .process-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-slider {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-filter {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
}